1 /* ncmpc (Ncurses MPD Client)
2 * (c) 2004-2009 The Music Player Daemon Project
3 * Project homepage: http://musicpd.org
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
20 #include "charset.h"
22 #include <assert.h>
23 #include <string.h>
24 #include <glib.h>
26 #ifdef ENABLE_LOCALE
27 static bool noconvert = true;
28 static const char *charset;
30 const char *
31 charset_init(void)
32 {
33 noconvert = g_get_charset(&charset);
34 return charset;
35 return NULL;
36 }
37 #endif
39 unsigned
40 utf8_width(const char *str)
41 {
42 assert(str != NULL);
44 #if defined(ENABLE_MULTIBYTE) && !defined(ENABLE_WIDE)
45 return g_utf8_strlen(str, -1);
46 #else
47 #ifdef ENABLE_WIDE
48 if (g_utf8_validate(str, -1, NULL)) {
49 size_t len = g_utf8_strlen(str, -1);
50 unsigned width = 0;
51 gunichar c;
53 while (len--) {
54 c = g_utf8_get_char(str);
55 width += g_unichar_iswide(c) ? 2 : 1;
56 str += g_unichar_to_utf8(c, NULL);
57 }
59 return width;
60 } else
61 #endif
62 return strlen(str);
63 #endif
64 }
66 char *
67 utf8_to_locale(const char *utf8str)
68 {
69 #ifdef ENABLE_LOCALE
70 gchar *str;
72 assert(utf8str != NULL);
74 if (noconvert)
75 return g_strdup(utf8str);
77 str = g_convert_with_fallback(utf8str, -1,
78 charset, "utf-8",
79 NULL, NULL, NULL, NULL);
80 if (str == NULL)
81 return g_strdup(utf8str);
83 return str;
84 #else
85 return g_strdup(utf8str);
86 #endif
87 }
89 char *
90 locale_to_utf8(const char *localestr)
91 {
92 #ifdef ENABLE_LOCALE
93 gchar *str;
95 assert(localestr != NULL);
97 if (noconvert)
98 return g_strdup(localestr);
100 str = g_convert_with_fallback(localestr, -1,
101 "utf-8", charset,
102 NULL, NULL, NULL, NULL);
103 if (str == NULL)
104 return g_strdup(localestr);
106 return str;
107 #else
108 return g_strdup(localestr);
109 #endif
110 }